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% sample references
% "computer science"
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% Use this file as a template for your own input.
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%%%%%%%%%%%%%%%%%%%%%%%% Springer-Verlag %%%%%%%%%%%%%%%%%%%%%%%%%%

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% BibTeX users please use
% \bibliographystyle{}
% \bibliography{}
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% Non-BibTeX users please use
\begin{thebibliography}{99.}
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% and use \bibitem to create references.
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% Use the following syntax and markup for your references
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% Monographs
\bibitem{monograph} Kajan E (2002)
Information technology encyclopedia and acronyms. Springer, Berlin
Heidelberg New York

\bibitem{turn12} Página puzzle turn12, http://www.jaapsch.net/puzzles/turn12.htm

\bibitem{p_turn12} Patente puzzle turn12, http://www.jaapsch.net/puzzles/patents/de20112728u.pdf

\bibitem{sicstus} SCStus Prolog, http://www.sics.se/isl/sicstuswww/site/index.html

\bibitem{constraints} Constraint Logic Programming over Finite Domains,\\
http://www.sics.se/sicstus/docs/latest4/html/sicstus\.html/lib\_002dclpfd\.html\#lib\_002dclpfd

\end{thebibliography}
